RT Journal Article SR Electronic T1 Effect of β1 Adrenergic Receptor Blockade on Myocardial Blood Flow and Vasodilatory Capacity JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 442 OP 446 VO 38 IS 3 A1 Morten Böttcher A1 Johannes Czernin A1 Karl Sun A1 Michael E. Phelps A1 Heinrich R. Schelbert YR 1997 UL http://jnm.snmjournals.org/content/38/3/442.abstract AB